[ 106 ]As with other mobile radio transmitting equipment, users are advised tooperate this equipment only in the normal operating position (held toyour ear with the antenna pointing over your shoulder).PacemakersPacemaker manufacturers recommend a distance of 20 cm (6 inches) bemaintained between a hand-held wireless phone and a pacemaker toavoid interference with the pacemaker. These recommendations areconsistent with independent research and recommendations of WirelessTechnology Research.Persons with a pacemaker:• Should always keep the phone more than 20 cm (6 inches) from theirpacemaker when the phone is switched on.• Should not carry the phone in a breast pocket.• Should use the ear opposite the pacemaker to minimize the potentialfor interference.• Should switch off the phone immediately if there is any reason tosuspect that interference is taking place.Hearing aidsSome digital wireless phones may interfere with hearing aids. In the eventof such interference, consult your service provider.Other medical devicesOperation of any radio transmitting equipment, including cellular phones,may interfere with the functionality of inadequately protected medicaldevices. Consult a physician or the manufacturer of the medical device todetermine if it is adequately shielded from external RF energy, or if youhave any questions.Switch off your phone in health care facilities when regulations posted inthese areas instruct you to do so. Hospitals or health care facilities maybe using equipment that could be sensitive to RF energy.